1. No, Y-O-U-apostrophe-R-E a jerk!
2. Sorry, it's my job to point out others' errors (which, admittedly, feeds my jerky soul).
3. Meh, it's not the worst I've ever been called.
http://www.inc.com/suzanne-lucas/science-you-re-not-a-grammar-snob-you-re-a-grammar-jerk.html